wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-25 10:41:16 +02:00
Code Activity

nix_api_expr, nix_api_util: slightly improve documentation

Browse source
This commit is contained in:
Yorick van Pelt 2023-07-31 09:02:28 +02:00 • committed by José Luis Lafuente
parent f41a7e326b
commit e58a9384c6
No known key found for this signature in database
GPG key ID: 8A3455EBE455489A
2 changed files with 40 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

49
src/libexpr/nix_api_expr.h
View file

@ -9,18 +9,21 @@
* nix_libexpr_init(NULL);
*
* Store* store = nix_store_open(NULL, "dummy", NULL);
* State* state = nix_state_create(NULL, NULL /* empty NIX_PATH */, store);
*Value *value = nix_alloc_value(NULL, state);
**nix_expr_eval_from_string(NULL, state, "builtins.nixVersion", ".", value);
*nix_value_force(NULL, state, value);
*printf("nix version: %s\n", nix_get_string(NULL, value));
**nix_gc_decref(NULL, value);
*nix_state_free(state);
*nix_store_unref(store);
*return 0;
*
}
*@endcode *@{* /
* State* state = nix_state_create(NULL, NULL, store); // empty nix path
* Value *value = nix_alloc_value(NULL, state);
*
* nix_expr_eval_from_string(NULL, state, "builtins.nixVersion", ".", value);
* nix_value_force(NULL, state, value);
* printf("nix version: %s\n", nix_get_string(NULL, value));
*
* nix_gc_decref(NULL, value);
* nix_state_free(state);
* nix_store_unref(store);
* return 0;
* }
* @endcode
* @{
*/
/** @file
* @brief Main entry for the libexpr C bindings
*/
@ -29,19 +32,19 @@
#include "nix_api_util.h"
#ifdef __cplusplus
extern "C" {
extern "C" {
#endif
// cffi start
// cffi start
// Type definitions
/**
* @brief Represents a nix evaluator state.
*
* Multiple can be created for multi-threaded
* operation.
* @struct State
*/
typedef struct State State; // nix::EvalState
// Type definitions
/**
* @brief Represents a nix evaluator state.
*
* Multiple can be created for multi-threaded
* operation.
* @struct State
*/
typedef struct State State; // nix::EvalState
/**
* @brief Represents a nix value.
*